Reed bunting females increase fitness throughextra-pair mating with genetically dissimilar males

Reed Bunting (Emberiza schoeniclus) Science Article 7

abstract

Females of many socially monogamous species accept or even actively seek copulations outside the socialpair bond. As females cannot increase the number of offspring with promiscuous behaviour, the questionarises why they engage in extra-pair mating.

Stefan M. Suter et al, Proc. R. Soc. B, 2007

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